经济型高氮奥氏体不锈钢研究进展

Research Progress of Economical High Nitrogen Austenitic Stainless Steel

介绍了一种具有高强度、高耐蚀与高经济性等特点的新型资源节约型高氮奥氏体不锈钢,阐述了高氮奥氏体系列不锈钢在组织、力学性能、耐蚀性及可焊接性等方面的性能优势、机理和研究进展。结果表明,高氮奥氏体系列不锈钢具有较高的强度、优良的耐局部腐蚀性能和良好的焊接性,同时以低成本的锰、氮代替昂贵的镍、钼可以大大降低生产成本,具有广泛的市场应用前景。建议根据具体应用场景及时优化焊接工艺和焊接填充材料,以确保高氮奥氏体不锈钢的长期可靠性和安全性。

A new type of resource saving high nitrogen austenitic stainless steel with high strength,high corrosion resistance,and high economy is introduced.The performance advantages,mechanisms,and research progress of high nitrogen austenitic stainless steel series in terms of strength,corrosion resistance,and weldability is elaborated.Research has shown that the high nitrogen austenitic stainless steel series has high strength,excellent local corrosion resistance,and good weldability.At the same time,replacing expensive nickel and molybdenum with low-cost manganese and nitrogen can greatly reduce production costs,and has broad market application prospects.It is recommended to optimize welding processes and welding filler materials in a timely manner according to specific application scenarios in the future to ensure the long term reliability and safety of high nitrogen austenitic stainless steel.